Analog Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 141 - 145 of 249

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Question 141

Analog Circuits
Clipping, Clamping and Rectifiers

Appeared in Year: 2017 (UGC-NET)

Question

MCQ▾

In a full wave rectifier, the current in each of the diode flows for: (November paper 2)

Choices

Choice (4)Response

a.

Quarter cycle of input signal

b.

Full cycle of input signal

c.

Half cycle of input signal

d.

Three fourth cycle of input signal

Question 142

Analog Circuits
Active Filters

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

The frequency at which the transfer junction H| of the following RC network is will be: (July)

Choices

Choice (4)Response

a.

Hz

b.

Hz

c.

796.18Hz

d.

Hz

Question 143

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

In a circuit shown below, the base current is: (July)

Choices

Choice (4)Response

a.

b.

c.

d.

Question 144

Analog Circuits
Active Filters

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

Thermal noise is passed through an ideal low-pass filter having cut-off at = . The auto-correlation value of the noise at the output of the filter is given as: (July)

Choices

Choice (4)Response

a.

A delta function at

b.

Triangular function over the range-

c.

Since function over the range -

d.

Gaussian over the range

Question 145

Analog Circuits
Multi-Stage, Differential, Feedback, Power and Operational

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

In a voltage series feedback amplifier with load , if is the input resistance without feedback, then the input resistance with feedback is: (July)

(A)

(B)

(C)

(D)

Choices

Choice (4)Response

a.

1) and 3) are correct

b.

1) and 4) are wrong

c.

3) and 1) are wrong

d.

2) and 4) are wrong

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